<clickhouse>
    <users>
        <default>
            <networks>
                <host>node3</host>
                <host_regexp>[a-z]+4</host_regexp>
                <ip>::1</ip>
                <ip>127.0.0.1</ip>
            </networks>
            <profile>default</profile>
        </default>
    </users>
</clickhouse>
